Sony HCD-GT22 Quick start guide

HCD-GT22/GT44/GT55
2929
HCD-GT22/GT44/GT55
7-6. SCHEMATIC DIAGRAM – CD Board – •See page 36 for Waveforms. •See page 58 for IC Block Diagrams. •See page 61 for IC Pin Function Description.
IC B/D
A
MAIN
BOARD
(3/4)
CN302
2
1
IC B/D
OPTICAL
PICK-UP
BLOCK
(KSM-213DCP)
M
M
DATA
CLK
+
+
+
R224 100
R121
100
R108
R109 100
R154
R153
C201
R304
R201
R110
R303
R203
R204
R205
R206
R207
R208
R209
R210
R219
R223
R222
R221
R218
R112
R202
R211
Q301
R301
C202
R157
TP121 (RFI)
TP124 (VC)
R156
CN301
R101
C401
R415
R102
R128
R129
R143
R142 R139
R114
R140
R151
R220
R150
R212
IC101
R105
R106
IC201
X102
C301
C307
C309
C100
C138
C153
C151
C204
C130
C128
C113
C127
C126
C103
C102
C120
C118
C117
C101
C124
C125
R145
R146
R147
R148
R149
C149
C105
C143
C146
C145
C148
C104
C405 C404 C403
C205
C116
C133
CN202
C110
R111
C115
R155
C109
C132
R104
C123
C122
C139
C150
R136 R135
R134 C112 C108
R119
R118
C136
C107
R130
R144
C144
C147
C140
C137
C141
C142
C106
R302
C306
C303C302
R405
R402
R408
R414
C207
C152
C206
IC401
1M
1M
100
10V
2.2
0
10k
2.2
100
100
100
100
100
100
100
100
100k
100k
100k
100k
100k
100
0
100
2SA2119K
100k
100
10V
100
100
16P
220
220
10V
47k
10k
470k
1k
47k
22k 47k
10k
0
0
100k
0
TK63115SCL-G@GT
0.1
1
0.001
0.1
470p
470p
0.1
0.1
0.0022
0.1
0.1
0.1
0.01
0.01
0.022
C119
0.022
0.1
0.0047
0.0047
0
0
0
0
0
22p
0.1
0.01
470p
0.01
47p
0.1
0.1 0.1 0.1
0.1
0.1
0.1
0.1
100
22
6.3V
47
0.1
0.1
0
470p
470p
0.01
0.001
22k 470k
1M 0.1 0.1
47p
0.1
4.7k
22k
0.1
0.1
0.01
0.01
0.0022
0.1
100
10V
0
100
10V
1010
10k
2.2k
2.2k
4.7k
1
470p
1
BA5826SFP-E2
SP-
SP+
SL+
SL-
100
R213 100
R214 100
R216 100
1M
1k
16.9344MHz
TC94A70FG-008 (S, D)
5p
5p
27P
0
100k
IC101
CD-MP3 PROCESSOR
IC401
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC201
+1.5V REGULATOR
SP-
SP+
SL+
SL-
M401
(SPINDLE)
M402
(SLED)
AUTOMATIC POWER
CONTROL
S201
(LIMIT)
0.1
(Page 40)

HCD-GT22/GT44/GT55
3131
HCD-GT22/GT44/GT55
7-8. SCHEMATIC DIAGRAM – CHANGE Section – •See page 58 for IC Block Diagrams.
C741
R702 R701
D701
C751
R713
R712 R711
D711
CN721
R722
R721
R723
C736
C735
C737
R731
C731
R733
CN704
E3
E2
E1
CN703
CN742 CN702
CN741
IC731
CN751 CN705
C752 R751
CN731
Q731
M751
M741
IC701
IC712
R734 R732
CN701
C715
R736
S751
0.01
100 470
MTZJ-T-77
5.1A
0.01
22k
4.7k 1k
MTZJ-T-77
3.6B
2P
4.7k
4.7k
4.7k
0.1
0.1
0.1
100
10
50V
1k
2P
4P
5P 5P
3P
RPI-576
2P 2P
0.1 4.7k
3P
DTC114ESA
BA6956AN
BA6956AN
12k 10k
13P
100
16V
390
RNF RNF
TM-2
GND
TM-1
SENS-IN
SENS-OUT
GND
TM-1
TM-2
SENS-IN
SENS-OUT
GND
SENS-IN
SENS-OUT
GND
SENS-IN
SENS-OUT
GND GND
OPEN SW OPEN SW
LM-2
LM-1 LM-1
LM-2
GND
E-1
E-2
E-3
VCC
OUT2
GND
VREF
OUT1
VM
FIN
RIN
VCC
OUT2
GND
VREF
OUT1
VM
FIN
RIN
LM-R
TM-R
E-1
E-2
E-3
TBL ADDRESS SENS
OPEN SW
(LOADING)
ADDRESS DETECT
(TABLE)
OPEN
CLOSE
OPEN/CLOSE
DETECT
DRIVE
LOADING MOTOR
DRIVE
TABLE MOTOR
LEVEL
SHIFT
D+3.3V
M+9V
M-GND
M-GND
LM-F
TM-F
DISC TABLE
S711
DISC TABLE
DISC TABLE
ADDRESS SENSOR
ROTARY ENCODER
B
MAIN
BOARD
(3/4)
(Page 40)

HCD-GT22/GT44/GT55
3333
HCD-GT22/GT44/GT55
7-10. SCHEMATIC DIAGRAM – USB Board – •See page 36 for Waveforms. •See page 58 for IC Block Diagrams. •See page 61 for IC Pin Function Description.
C
5V REG
BOARD
E
MIC
BOARD
CN802
D
MAIN
BOARD
(3/4)
CN301
11
R986 100 DATA
R985 100 CLOCK
C930
0
C919
0.1
CLOCK
DATA
CLK
DATA
R970
R971
R972
R973
R974
R975
R976
R977
R979
R978
R932
R982
R984
RB922
RB921
RB923
RB924
C907
C906
C921
R901
C901
R937
R983
C902
JR902
C903
C922
R907
R906
R905
R904
R903
R902
R917
R915
R913
C908
R919
C909
R916
C910C912
R944
R943
R942
R941
C905
C904
R933
R934
R938
C915
C913
C914
R981
R922
R924
R923
R921
IC921
CN904
R926
R925C920
IC915
C916
R920
CN907
CN903
CN901
FB902
FB901
D902
C917
R945
R947
IC901
R928
D901
X901
R950
100
100
100
100
100
100
100
100
100
100
100
100
100
47
47
47
47
0.1
0.1
0.1
10k
0.1
100
100
10 16V
0
10 16V
0.1
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
0
10k
100k
0.1
100
22p
0
22p10p
100k
100k
100k
100k
0.1
10
16V
0
10k
100
0.1
0.1
0.1
100
100k
27
27
100k
IS61LV6416-10T
7P
15k
15k0.1
R5523N001BTR-F
0.1
10k
21P
5P
2P
4.7k
4.7k
0
9MHz
4.7k
A13
A14
A15
D0
D1
D2
D3
D4
D5
D6
D7
RD
WR
LB
UB
SRAM-CS
A8
A9
A10
D7
D4
D5
D6
WR
D0
D1
D2
D3
SRAM-CS
A11
A12
A13
A14
A15
LB
UB
RD
A7
A8
A9
A10
A11
A12
A4
A5
A6
D12
D13
D14
D15
A4
A5
A6
D8
D9
D10
D11
D12
D13
D14
D15
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
USB-SI
USB-SO
DO
USB-RST
LRCK
BCK
REQ
ST-REQ
A-IN
GATE
LRCK
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
DO
DI
USB-SO
USB-SI
BCK
A-IN
GATE
REQ
ST-REQ
USB-RST
DI
A7
A16
A16
A1
A2
A3
A1
A2
A3
D11
D10
D9
D8
BOOT
AMO
TXD1
RXD1
RESET
BOOT
AM0
TXD1
RXD1
RESET
EN
FLG
EN
FLG
MC2837
220
6.3V
TMP92CD28FG-2CB4
MC2837
D+
D-
AM0
DVSS
DVSS
RVOUT1
RVIN
RVIN
RVOUT2
DVSS
DVSS
DVSS
AM1
X2
DVSS
X1
VBUS-5V
DVDD+3.3V
DVSS
LRCK
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
USB-RST
ST-REQ
REQ
GATE
A-IN
BCK
VBUS-GND
BOOT
RESET
RXD1
TXD1
DVSS
VCC
AM0
DI(CTS)
DO(RTS)
USB-SI(RXD)
USB-SO(TXD)
NC
A6
A5
A4
A3
NC
I/O8
I/O10
I/O11
VDD
GND
I/O12
I/O13
I/O14
I/O15
A2
A1
A0
I/O9
NC
A7
A8
A9
A10
I/O7
I/O6
I/O5
I/O4
GND
VDD
I/O3
I/O2
I/O1
I/O0
A11
A12
A13
A14
A15
WE
CELB
UB
OE
A13
GND
D+
D-
VBUS
EN
GND
OUT
IN
FLG
(USB)
(NC)
S-RAM
VBUS POWER ON/OFF SWITCH
A12
A11
A10
A9
A8
DVCC
A7
A6
A5
A4
A3
A2
A1
A0
D15
D14
D13
D12
D11
D10
D9
D8
DVCC
D7
D6
D5
D4
D3
S2
D1
D0
DVSS
DVCC
DVCC
DVSS
NOUSE
NO USE
NO USE
DVCC
G-3
NO USE
NO USE
DI
G-2
G-1
ST-REQ
REQ
DVCC
GATE
DATA
BCK
SCL
SDA
NO USE
RXD1
TXD1
CLOCK
DATA
DO
NO USE
USBPON
USBOC
DVCC
BOOT
NOUSE
SRLUB
SRLLB
RD
WR
CS2
DVCC
NO USE
/CCE
/BUCK
BUS3
BUS2
BUS1
BUS0
A16
A15
A14
USB CONTROLLER
LRCK
/RESET
(Page 40)
(Page 43)
(Page 41)

HCD-GT22/GT44/GT55
3535
HCD-GT22/GT44/GT55
7-12. SCHEMATIC DIAGRAM –TC Board – •See page 36 forWaveforms
BOARD
(2/4)
J
MAIN
CN202
21
22
0.7
<<0.7>>
{0}
0.1
<<0.1>>
{6.6}
0<<0>>
{6.8}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
0.1
<<0.1>>
{6.6}
4<<4>>{4.2}
0.1<<0.1>>{6.6}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
0.1<<0.1>>{6.6}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
3.3
<<3.3>>
{6.8}
3.3
<<3.3>>
{6.8}
0.1
<<0.1>>
{6.1}
0<<0>>{4.8}(-10.5)
0<<0>>{4.8}(-10.5)
0<<0>>{4.8}(-10.5)
0<<0>>{4.8}(-10.5)
0<<4>>{4.2}(-3.6)
0<<0>>
{4.2}
4<<4>>{4.2}
0.3(8.6)
0.3(5)
0.3(0.8)
0(0.2)
9.1(7.9)
(8.6)9.1
7.7<<7.7>>{8}
0
4
<<4>>
{4.2}
4<<4>>{4.2}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
4<<4>>{4.2}
7.7<<7.7>>{8}
4<<4>>{4.2}
4<<4>>{4.2}
0
<<0.1>>
{6.8}
(-10.5)0
<<0>>{5.4}
4<<4>>
{4.2}
3.5(4.2)
<<4>>
(3.8)
3.5<<3.5>>
(4.2){3.8}
4<<4>>
{4.2}
(0.7)0
9.1(0)
0
3.1
4<<4>>{4.2}
4<<4>>{4.2}
4<<4>>{4.2}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
7.7
<<7.7>>
{8} 3.5
(4.2)
<<3.5>>
{3.8}
4<<4>>{4.2}
4<<4>>{4.2}
4
<<4>>
{4.2}
0
0
<<0>>
{4.8}
(-10.5)
16V
47
C452
1
2
3
4
5
6
7
8
9
10
11
11P
CN008
NC
DECK-D-GND
O-BIAS
REC-MUTE
+9V
REC/PB SW
REC-L
REC-R
A-GND
PB-R
PB-L
50V
0.1
C401
50V
0.1
C402
0.1
C430 47p
C403
47p
C404
10p
C411
10p
C412
0.01
C417
0.01
C418
470k
R411
470k
R412
220k
R413
220k
R414
150k
R423
150k
R424
220p
C405
220p
C406
220p
C413
220p
C414
6.8k
R407
6.8k
R408
50V
10
C409
50V
10
C410
10
R427
10
R428
0.01
C433
47k
R442
10k
R451
10
R455
MC2838-T112-1
D401
2SC3052EF-T1-LEF
Q404
2SC3052EF-T1-LEF
Q403
2SC3052EF-T1-LEF
Q401
2SC3052EF-T1-LEF
Q402
2SC3052EF-T1-LEF
Q454
4.7k
R453
4.7k
R454
4.7
R458
0.001
C453
22k
R457
6800p
C454
0
R459
0.01
C456
2.2k
R461
2.2k
R462
1k
R463
1k
R464
470p
C462
470p
C461
0
R487
22
R449 22
R450
22
R456
2SC3052EF-T1-LEF
Q408
47k
R482
10k
R481
0
JR313
0
R483
2.2k
R484
100
R349
10k
R435
10k
R436
2.2k
R437
2.2k
R438
100k
R443
10k
R444
50V
10
C356
1k
R431
47k
R433
4700p
C466
10k
R429
4700p
C416
47k
R434
1k
R432
10k
R430
0
R350
0
R441
4.7k
R307
4.7k
R308
0.01
C355
100
R315
100
R316
47k
R303
47k
R304
1000p
C303
1000p
C304
220k
R306
+
-
NJM4558V-TE2
IC401(1/3)
3
2
1
+
-
NJM4558V-TE2
IC401(2/3)
5
6
7
NJM4558V-TE2
IC401(3/3)
8
POWER
4
GND
1000p
C302
47k
R301
47k
R302
1000p
C301
+
-
NJM14558V-TE2
IC301(1/3)
3
2
1
+
-
NJM14558V-TE2
IC301(2/3)
5
6
7
NJM14558V-TE2
IC301(3/3)
8
POWER
4
GND
6800p
C323
6800p
C324
470
R310
470
R309
47
R313
47
R314
220
R311
220
R312
22k
R319
22k
R320
4.7k
R323
4.7k
R324
470k
R317
470k
R318
47p
C315
47p
C316
50V
22
C318
50V
22
C317
220p
C327
220p
C328
16V
220
C350
0.1
C353
1k
R351
10V
220
C351
0.1
C352
100
R325
100
R326
1
2
3
4
5
6
7
8
8P
CN302
EH+
EH-
GND
REC-L
PB-L
PB-R
REC-R
GND
1
2
3
3P
CN301
Lch
REF
Rch
UDZW-TE17-4.3B
D301
220k
R305
0.1
C354
0
R486
100
R321
100
R322
6
2
1
3
5
4
T001
KTA1271Y-AT
Q455
RT1N141C-TP-1
Q409
RT1N431C-TP-1
Q410
S
2SJ461
Q301
S
2SJ461
Q302
0
JR315
0
JR316
KTC3203Y-AT
Q453
S
2SK2158-T2B
Q303
S
2SK2158-T2B
Q304
0.047
C330
47k
R401
47k
R402
47k
R404
47k
R403
47k
R405
47k
R406
47k
R452
10k
R440
0.047
C329
JW312
ISA1235AC1TP-1EF
Q405
ISA1235AC1TP-1EF
Q406
ISA1235AC1TP-1EF
Q407
ISA1235AC1TP-1EF
Q305
ISA1235AC1TP-1EF
Q306
L-CH
R-CH
L-ch
R-ch
+
-
+
-
+
-
ERASE
TC BOARD
A
1012
J
H
B
1311
C
78
I
14
F
96
K
4 15 163
G
D
5 17
E
12
REC AMP
IC401
REC SWITCH
REC BIAS SWITCH
Q454,455
REC CONTROL SWITCH
Q409,410
BIAS OSC
MUTING
BIAS OSC
Q402,404
CONTROL SWITCH
MUTING
MUTING
Q401,403
MUTING
MUTING
PB SWITCH(DECK-B)
PB SWITCH(DECK-A)
PB SWITCH(DECK-A)
PB SWITCH(DECK-B)
HRPE1
(REC/PB/ERASE)
(DECK-B)
(PB)
(DACK-A)
HP1
IC301
PB AMP
DECK-A/B SELECT
SWITCH,
REC-PB SELECT
SWITCH
REC SWITCH
BIAS OSC
(Page 39)

HCD-GT22/GT44/GT55
3838
HCD-GT22/GT44/GT55
7-14. SCHEMATIC DIAGRAM – MAIN Section (1/4) – •See page 36 for Waveforms. •See page 61 for IC Pin Function Description.
3
BOARD
MAIN
(3/4)
4
BOARD
MAIN
(4/4)
1
BOARD
MAIN
(4/4)
(2/4)
2
BOARD
MAIN
BOARD
KEY TOP
CN616
G
CN601
H
BOARD
PANEL
31
32
33
2.9
3.3
4 10.6
4.5
9.5
10
0
0.6
0
0.9
0
3.2
0
0
[3.2]
[0.1]
[0]
[9]
0
[9]
[9]
4
0
0
[9]
[9]
9
[8.3]
[9]
0.80
0.6
0.1 7.8
7.8 7.8
0.7 0 0 0
3.2
0.8
3.3
2.7
[3.2]0
3
0
0
0
3.2
2.5
1.1
1.5
0
0.9
1.3
3.3
3.1
3.2
0
3.2
3.3
0
0
0
0
0
3.2
3.2
3.2
0
0
3.1
2.9
0 0
0.7 0.9 0.7 3.2 3.2
(3.2)0
3.2
0 0
3.3 3.3
0 0 0 0 0
3.2
0 0 0 0 0
3.2 3.2 3.2 3.2 3.2 3.2
3.3[*] 3.3 0 3.2 0 0(*) 3.1 2.2 1.6 0.4 3.3 1.9 3.2 0.3(*)[0] 0.4[2.3] 3.3 3.3 3.3 3.3 0.9 0 0.8(*)[0.1] 2.6 3.2 3.2[0] 3.2[0] 3.2[0] 0(*)
3.2
3.2
32.768kHz
X901
15p
C904
0
R901
KTA1271Y-AT
Q916
KTA1273-Y-AT
Q914
RT1N431C-TP-1
Q912
1k
R912
10k
R914
10k
R916
MC2836
D911
KTA1271Y-AT
Q915
RT1N431C-TP-1
Q913
RT1N431C-TP-1
Q911
1k
R913
10k
R915
1k
R911
100k
R909
2.2k
R923
100k
R921
2SC3052EF-T1-LEF
Q902
2SC3052EF-T1-LEF
Q905
47k
R908
C912
0.047
25V
C913
100
220
C908
16V
UDZW-TE17-4.7B
D901
KTA1271Y-AT
Q901
5.5V
0.047F
C901
10k
R922
1
2
3
4
5
5P
CN902
FLMD
4.0V
VSS
RESET
TOOL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
27P
CN901
VF
VF
-VFL
D-GND
VREF
VDD+3.3V
KEY0
KEY1
KEY2
KEY3
JOG
VOL
VFD-CS
VFD-RESET
STREAM1
STREAM2
STREAM3
STREAM4
STREAM5
STREAM6
SW-LED
STBY-LED
SIRCS
VFD-DATA
VFD-CLK
LED+9V
LED-GND
0.1
C948
0.1
C946
10k
R992
2SC3052EF-T1-LEF
R993
100k
10k
R994
2SC3052EF
-T1-LEF
R995
100k
10k
R996
2SC3052EF
-T1-LEF
100k
R997
10k
R999
2SC3052EF-T1-LEF
Q931
2.2k
R989
22k
R959
22k
R958
22k
R957
22k
R960
R980
10k
10k
R981
10k
R982
R983
10k
R987
∗
10k
R933 10k
R935 10k
1k
R979
R990 100
R991 100
3.3k
R964
10k
R963
2SC3052EF-T1-LEF
Q903
47k
R927
4.7k
R928
22k
R918
20MHz
X902
1
2
3
4
5
6
6P
KEY4
D-GND
LED+9V
GUITER_LED_OUT
VOCAL_LED_OUT
BASS_LED_OUT
R966 220k
1k
R968
1k
R965
1k
R969
1k
R971
1k
R970
22k
R955
R974 100
R975 100
100
R972
100
R973
0.1
C903
100
R945
10k
R937
100
R947
100
R946
10k
R910
R977 100
R976 100
10k
R936
47k
R919
50V
C911
0.47 47k
R917
10
R920
43
21
PST3429UL
IC902
V-OUT
VDD NC
VSS
MA111-TX
D904
0.1
C950
16V
47
C914
22k
R961
22k
R962
22kR926
22k
R925
100
R929
0.1
C943
R984
10k
100k
R941
100k
R942 R943
100k
100k
R944
100
R948
100
R949
100
R951
100
R950
100
R952
100
R953
100
R956
100
R938
R940 100
100
R939
0.47
C902
MC2836
D902
MC2836
D903
C942 1000p
123456789101112131415161718192021222324252627282930
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41
42
43
44
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46
47
48
49
50
515253545556575859606162636465666768697071727374757677787980
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
O-SYS-MUTE O-SWR O-FRONT-SP-RELAY O-CD-POWER 0-POWER-RELAY CD XRST CD-M-MUTE O-USB-POWER I-USB-CTS(DI) O-USB-RTS(DO) O-USB-RESET
CD-BUCK CD-CCE CD-BUS3(I/O) CD-BUS2(I/O) CD-BUS1(I/O) CD-BUS0(I/O)
MP3 IREQ CD-SEL1 EVSS1 CD-SEL2 O-LM-R O-LM-F O-TM-R O-TM-F I-CD-SENS I-OPEN-SW O-LC72121-CE
I-SBSY EVDD1
I-LV23004T-DI
O-LV23004T-CLK
O-LV23004T-DO
I-TUNED
I-AC-CUT
O-STK-MUTE
O-USB-LED
O-G-LED
O-V-LED
O-B-LED
O-F-DATA
I-USB-RXD(SI)
O-USB-TXD(SO)
O-P-DATA
O-AUDIO-CLK
O-REC/PB
AVREF1
O-REC-MUTE
O-BIAS
AVREF0
AVSS
I-USB-MONI
I-SUFIX
I-MODEL
I-ENCO
I-KEY4
I-PROTECTOR
I-HP/MIC
I-VACS
I-TAPE-STAT
I-KEY0 I-KEY1 I-KEY2 I-KEY3
I-JOG
I-VOL
I-STREAM
O-NJM3427FA2-CS
O-NJM3427FA2-RESET
O-S-LED1 O-S-LED2 O-S-LED3 O-S-LED4 O-S-LED5 O-S-LED6
O-SWR-LED
O-STBY-LED
I-REEL-A I-REEL-B
I-RDS-CLK
I-STRCS-IN
NC
I-WAKEUPKEY
O-NJM3427A-DATA
O-MOTOR
O-NJM3427A2-CLK
O-B-SOL
O-A-SOL
TOOL0
RESET
XT2
XT1
FLMD0
X2
X1
REGC
VSS
EVSS0
VDD
EVDD0
100
R954
10k
R934
25V
C916
22
18pC905
RT1P431C-TP-1
Q908
100k
R988
ISA1235AC1TP-1EF
Q904
1000p
C947
SEL1 REQ
BUS1
BUS2
CD-RST M-MUTE P-RELAY
STBY
SW-LED
S-6 S-5 S-4 S-3 S-2 S-1
REC-M
REC/PB
T-CLK
A-SOL
B-SOL
MOTOR
KEY2
KEY4
G-OUT
V-OUT
B-OUT
G-OUT
B-OUT
B-LED V-LED
G-LED U-LED
SW-ON FSP-RELAY CD-POWER
HP/MIC
V-CLK
KEY0
KEY1
KEY3
JOG
VOL
V-CS
V-RST
S-1
S-2
S-3
S-4
S-5
S-6
SW-LED
STBY
SIRCS
V-DATA
E-2
VACS
TM-R
STK-M
T-DI
U-OUT SEL2 LM-R LM-F TM-F
A-SOL
B-SOL
MODEL
SUFIX
KEY3 KEY2 KEY1 KEY0
VOL
JOG
TAPE-STAT
MOTER
B-LED
BIAS
V-RST
V-CS
T-CE
BUS3
SBSY
T-DO
U-MONI
RDS-CLK
A-REEL B-REEL
STREAM
DO USB-RST BUCK CCE
BUS0
OPEN-SW SENS
V-LED
U-LED
G-LED
F-DATA
U-POWER
SIRCS
KEY0
DI
P-DATA
A-CLK
SO
SI
ACP
PROTECT
ACP
KEY4
V-OUT
E-1
SYS-M
SUFIX
T-TUNED
E-3
V-CLK
V-DATA
MODEL
1
2
15
22
24
25
26
28
29
30
31
32
33
34
MAIN BOARD (1/4)
RESET SIGNAL GENERATOR
IC902
SYSTEM CONTROLLER
IC901
TAPE REC:3.2
OTHERS:0
OTHERS:3.3
TAPE REC:0
A
1012
J
H
B
1311
L
C
78
I
14
F
96
K
4 1815 163
G
D
5 17
E
12
IC901
uPD78F1165GF(S)-GAS-AX
Q901,902
+4V REGULATOR
RESET SWITCH
Q903-905
LED DRIVE
(GT22/GT44)
(GT55)
Q921-923
LED DRIVE
(GT55)
LEVEL SHIFT
(NC)
(GT44/GT55)
Q913,916
TRIGGER PLUNGER DRIVE
(DECK-A)
TRIGGER PLUNGER DRIVE
Q912,915
(DECK-B)
CAPSTAN/REEL MOTOR DRIVE
Q911,914
(GT44/GT55)
(GT22:AUS/GT44:AUS)
GT22:E2,E51,MX,AR/
GT44:E2,E51,MX,AR/GT55
∗ R987
10k(GT44)
1k(GT55)
CN903
Q921
Q922 Q923
R932
(Page 53)
(Page 41)
(Page 51)
(Page
39)
(Page
41)
(Page
40)

HCD-GT22/GT44/GT55
3939
HCD-GT22/GT44/GT55
7-15. SCHEMATIC DIAGRAM – MAIN Section (2/4) – •See page 58 for IC Block Diagrams.
6
BOARD
MAIN
(3/4)
7
BOARD
MAIN
(4/4)
(4/4)
MAIN
5
BOARD
MIC
K
BOARD
(1/4)
MAIN
2
BOARD
TC
CN008
J
BOARD
IC B/D
IC B/D
9.1
4.7
44
4
4
4
4
5.3
4
3.5
8.3
4
0.4
1
4
4
4
4
4
8
4
4
4
4
4
4
0
0
4
4
4
4
4 4 4 4 4 4 4 4 4 4
4 4 4 4 4 4 4 4 4 4
0
7.4 3.7 3.7 3.7 3.7
3.7 3.7 0
4.6
4.29.1
4.6
1.2
1.8
4
100k
R169
470p
C147
10
R068
EEP061
22k
R166
47k
R147
22k
R165
0.1
C063
470p
C285
100k
R170
1
2
3
4
5
6
7
8
9
10
11
11P
CN201
A-SOL
A-PHOTE
A-HALF
CAPM+
B-REC-F
M-GND
D-GND
B-PHOTE
B-HALF
NC
B-SOL
1
2
3
4
5
6
7
8
9
10
11
11P
CN202
PB-L
PB-R
A-GND
REC-R
REC-L
REC/PB_SW
+9V
REC-MUTE
0-BIAS
DECK-D-GND
NC
4700p
C268
4700p
C267
2.2k
R202
2.2k
R201
56k
R145
100
R153
100
R151
0.022
C152
6.8k
R125
47k
R160
2200p
C128
1kR133
4700p
C146
100
R164
2.2k
R119
R129
∗
220
R143
50V
1
C130
10V
100
C168
0.1
C120
220k
R156
0.1
C140
50V
C154
1
50V
10
C126
16V
47
C180
50V
10
C125
50V
10
C109
2SC3052EF
-T1-LEF
Q113
1k
R134
10V
100
C167
R130
∗
1.8k
R140
C158
∗
16V
100
C170
C155
∗
10V470
C121
100
R122
0.047
C143
2.2k
R124
2200p
C127
50V
1
C138
100p
C171
22k
10k
R136
50V
1
0.022
C151
50V
1
C137
47k
R159
0.01C122
2.2k
R123
220k
R157
100
R152
15kR162
2.2k
R138
4700p
C145
C157
∗
47pC123
0.01
C179
100p
C172
47p
C174
220k
R155
15k
R161
2.2k
R137
2200p
C281
220k
R158
1.8k
R139
220
R144
0.1
C114
50V
1
C129
1M
R163
22k
470p
C160
50V
10C110
10k
R135
50V
10
C141
47p
C173
100
R131
2.2k
R120
0.022
C149
0.1
C139
50V
10
C142
6.8k
R126
100R121
C115
470
10V
0.047C144
R128
18K
R127
18k
4.7k
R101
12345678910
11
12
13
14
15
16
17
18
19
20
21222324252627282930
31
32
33
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35
36
37
38
39
40
R2S15207FP
IC103
TUNER-L AUX-L REC OUT-L SAOUT BASS12 BASS22 TRE2 MID12 MID22 TONE OUT-L
VOL
IN-L
BB12
BB22
OUT-L
CLK
DATA
OUT-R
BB21
BB11
VOL
IN-R
TONE OUT-R
MID21 MID11
TRE1
BASS21 BASS11
REC OUT-R
AUX-R
TUNER-R
CD-R
TAPE-R
GND
REF IN
SURROUND-R
SURROUND-L
MIX1
MIX2
VCC
TAPE-L
CD-L
0.022
C150
2SC3052EF-T1-LEF
Q114
C156 ∗
220k
R214
50V
2.2
C211
50V
22
C111
4.7k
R113
50V
1C116
220
R216
47k
R110
2SC3052EF-T1-LEF
Q111
100
R116
50V
0.47
C119
220
R217
50V
0.22
C212
100k
R111
4.7k
R213
470
R112
680
R114
50V
2.2
C118
2.2k
R212
10k
R108
470p
C117
2SC3052EF-T1-LEF
Q112
12345
678910
R2S15208SP
REFIN
LIN RIN VCC DATA CLK
GND
ROUT
LOUT
REFOUT
1
C164
1
C176
1
C166
1
C178
1
C163
1
C175
1
C165
1
C177
R105 47
47k
R148
R221
4.7k
R222
4.7k
22k
R226
22k
R227 22k
R228
22k
R230 22k
R231
22k
R229
R223
4.7k
R225
4.7k
R224
4.7k
MA111-TX
D214
1
2
3
4
5
6
7
8
9
10
11
12
13
CN061
13P
HP L-OUT
HP-GND
HP R-OUT
HP-GND
AUX-IN-LCH
A-GND
AUX-IN-RCH
D-GND
USB-LED-OUT
LED+9V
MIC-SIG
MIC+9V
O-MIC-DET
MC2837
D213
MC2837
D211
2SC3052EF-T1-LEF
120k
R173 2.2k
R175
16V
47
C182
220k
R174
22k
R232
22k
R234
MC2836
D212
1000p
C064
220k
R215
8.2k
R211
MA111-TX
D159
P-DATA
A-CLK
A-CLK
F-DATA
REC-M
BIAS
REC/PB
HP/MIC
U-OUT
B-REEL
A-REEL
VACS
TAPE-STAT
L+R_SIGNAL
A+9V
STREAM
D-GND
4
5
6
7
9
10
11
12
13
14
16
17
18
19
20
21
23
28
33
32
31
29
30
26
34
MAIN BOARD (2/4)
INPUT SELECTOR,
IC103
IC102
PARAMETRIC
A
1012
J
H
B
1311
L
C
78
I
14
F
96
K
4 1815 163
G
D
5 17
E
12
EQUALIZER
(GT55)
∗ R130
56k
GT55:E51,MX,AR
GT22:E3,E13,E51,MX,AR,AUS/
(GT22:E2/GT44:E2/GT55:E2)
GT44:E3,E13,E51,MX,AR,AUS/
27k
(GT55)
(GT55)
(GT22/GT44)
TONE CONTROL,
ELECTRICAL VOLUME
BASS AGC
BASS AGC
∗ C155-158
0.12(GT44/GT55)
0.15(GT22)
(GT44/GT55)
(GT55)
(GT22/GT44)
BUFFER
(GT44/GT55)
Q111,112
BAND-PASS FILTER
(GT55)
27k
∗ R129
GT44:E3,E13,E51,MX,AR,AUS/
56k
(GT22:E2/GT44:E2/GT55:E2)
GT22:E3,E13,E51,MX,AR,AUS/
GT55:E51,MX,AR
(CHASSIS)
THE ASSEMBLED
SUPPLIED WITH
DECK BLOCK
TAPE MECHANISM
BLOCK
3
1
()
IC102
R141
R142
C153
Q121
O
M
4P
J701
3
4
1
2
2SC5053T100Q
Q701
UDZW-TE17-4.7B
D703
220k
R701
R702
56k
1k
R703
0.1
C702
C704
0.22
C706
2SC3052EF-T1-LEF
Q702
2.2k
R708
0.47
C707
25V
22
C705
2W
82
R705
33k
R706
8.2k
R709
JL702
JL706
1
2
3
3P
CN701
D-GND
A+9V
L+R SIGNAL
50V
C703
10
220
R710
25V
220
C701
D-LIGHT SYNC BOARD
+4.1V REGULATOR
SYNC OUT
D-LIGHT
BUFFER
BRACKET A701
GT44:E2,E3,E13,E51,MX,AR/
GT22:E2,E3,E13,E51,MX,AR/
GT55
(Page
38)
(Page
35)
(Page
43)
(Page
41)
(Page
40)
(Page
41)

HCD-GT22/GT44/GT55
4040
HCD-GT22/GT44/GT55
7-16. SCHEMATIC DIAGRAM – MAIN Section (3/4) – •See page 58 for IC Block Diagrams.
(1/4)
MAIN
BOARD
3
(2/4)
MAIN
BOARD
6
(4/4)
8
BOARD
MAIN
CN907
USB
D
BOARD
CN202
CD
A
BOARD
CN701
DRIVER
B
BOARD
IC B/D
IC B/D
IC B/D
0
3.20
0
0
3.2
3.2
3.2
0
0
0
03.3
0
0.1
0.1
0
0
3.3
0
0
0.1
0
0.1
0
0
0
3.2
0.1
3.3
3.2
0.1
3.3
3.3
0
0
0
0
0
0
3.2
2.6
0.7
2.6
0.1
3.3
3.3
0.1
3.3
100
R354
100
R303
100
R342
100
R341
10V
1000
C301
100
R353
100
R343
10EDB40-TB3
D301
100
R346
100
R304
100
R344
100
R352
100
R345
10EDB40-TB3D302
KTA1271Y-AT
Q302
10k
R302
470
R301
100
R326
100
R325
0.1
C361
0.1
C362 0.1
C363
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
27P
CN302
AVDD+3.3V
R-OUT
DAC-GND
L-OUT
A-GND
CD-RST
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
REQ
SBSY
D-GND
D-OUT
DVDD+3.3V
VM+7V
M-GND
M-MUTE
LRCK-IN
BCK-IN
A-IN
ST-REQ
GATE
CLK
DATA
100
R306
100
R311
100
R308
100
R309
100
R307
100
R305
100
R310
100R324
100
R322
100
R321
100
R323
16 15 14 13 12 11 10 9
87654321
TC74VHC157FT(EKJ)
IC303
SELECT
1A
1B
1Y
2A
2B
2Y
GND
3Y
3B
3A
4Y
4B
4A
ST
VCC
14 13 12 11 10 9 8
7123456
TC74HC4066AFT(EL)
IC301
1I/O
1O/I
2O/I
2I/O
2C
3C
GND
3I/O
3O/I
4O/I
4I/O
4C
1C
VCC
14 13 12 11 10 9 8
7123456
TC74HC4066AFT(EL)
IC302
1I/O
1O/I
2O/I
2I/O
2C
3C
GND3I/O
3O/I
4O/I
4I/O
4C
1C
VCC
100
R328
100
R330
100
R332
10k
R334
KTA1271Y-AT
Q304
RT1N431C-TP-1
Q303
470
R333
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21P
CN301
DATA
CLK
DO(RST)
DI(CTS)
USB-SO(TXD)
USB-SI(RXD)
BCK
A-IN
GATE
REQ
ST-REQ
USB-RST
LRCK
DVSS
DVDD+3.3V
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
100
R327
100k
R355
100k
R312
2SC3052EF-T1-LEF
Q301
10kR361
10k
R362
CL001
E-3
E-2
E-1
SENS
TM-F
TM-R
LM-F
LM-R
OPEN-SW
BUS0 BUS1 BUS2 BUS3 BUCK CCE REQ
CCE-Z
BUCK-Z
BUS3-Z
BUS2-Z
BUS1-Z
BUS0-Z
DO
SO
CCE-Z
BUCK-Z
CCE-U
BUCK-U
BUS2-U
BUS0-U
BUS1-U
BUS2-U
BUS3-U
BUCK-U
CCE-U
CD-RST
REQ-Z
SBSY
M-MUTE
U-POWER
REQ-U
BUS3-U
BUS1-U
BUS0-U
REQ-U
REQ-Z
BUS1-Z
T-CLK
T-DO
T-CE
SI
DI
USB-RST
BUS2-Z
BUS3-Z
BUS0-Z
CD-POWER
SEL2 SEL1
RDS-CLK
T-DI
T-TUNED
1
5
2
6
4
7
35
36
37
38
MAIN BOARD (3/4)
IC303
DATA SELECTOR
IC302
BUS SWITCH
IC301
BUS SWITCH
A
1012
J
H
B
1311
L
C
78
I
14
F
96
K
4 15 163
G
D
5 17
E
12
Q303,304
B+ SWITCH
B+ SWITCH
Q301,302
+9V
TUNED
PLL_CE AM
THE ASSEMBLED
FM75
TUNER-R
PLL_DI
SUPPLID WITH
BLOCK
TU-GND
TUNER-L
TUNER(FM/AM)
PLL_DO/STEREO
PLL_CLK
E-2
OPEN_SW
E-3
D+3.3V
TBL_ADDRESS_SENS
LM-R
E-1
LM-F
TM-F
TM-R
M-GND
M-GND
M+9V 13
1
1
9
(COAXIAL)
ANTENNA
()
Ω
(Page
41)
(Page
39)
(Page
38)
(Page
33)
(Page
29)
(Page
31)

HCD-GT22/GT44/GT55
4141
HCD-GT22/GT44/GT55
7-17. SCHEMATIC DIAGRAM – MAIN Section (4/4) –
7
BOARD
MAIN
(2/4)
4
BOARD
MAIN
(1/4)
MAIN
(2/4)
BOARD
5
(3/4)
8
BOARD
MAIN
L
BOARD
SUB WOOFER
CN501
N1
BOARD
TRANS
CN907
M1
AMP
CN441
BOARD
MAIN
1
(1/4)
BOARD
CN441
AMP
N2
M2
CN907
TRANS
BOARD
BOARD
CN901
USB
BOARD
C
15
0
1.9
0
15.7
15
0
0
15.7 15.7
15
0
0.7
0.1
9.1
0
0.6
0.7
0
0
4.1
4
4.1
4.1
4.1
4
8.4
3.3 3.3
0
0.6
0.6
0
0
4.1
4.1
4.1
4.1
4.1
4.1
3.3 12
15.79.1
9.1 15.7
0.3
1.9
8.4
0.2
125.4
100
R064
1
12
3
4
5
6
7
8
9
10
11
CN001
12P
AC-F3
-VFL
AC-3
AC-4F
AC-4
VF
VF
D-GND
EVER_10
STBY-RELAY
AC-P
0.01
C026
0.01
C027
2W
1k
R060
100
R063
2W
1k
R059
RT1N141C-TP-1
Q011
22k
R013
25V
2200
C023
0.1
C010
25V
2200
C013
10EDB40-TB3
D012
25V
6800
C008
0.1
C022
IO
G
TA7809S
IC011
12
3
25V
100
C015
IO
G
TA78033LSIC006
1
2
3
22k
R010
22
R001
10EDB40-TB3
D011
10EDB40-TB3
D013
10EDB40-TB3
D024
0.1
C021
0.1
C001
10k
R014
IO
G
TA7809S
IC021
1
2
3
50V
22
C007
25V
100
C025
UDZW-TE17-4.7B
D007
10k
R293
10EDB40-TB3
D023
0.1
C002
MA111-TX
D006
100k
R016
10EDB40-TB3
D014
470k
R052
0.1
C276
50V
4.7
C279
2.2k
R263
10k
R262
50V
10
C259
47k
R267
470
R291
2SC3052EF-T1-LEF
Q252
R252
∗
2.2k
R264
47k
R286
4.7k
R278
22p
C253
16V
47
C258
22p
C254
16V
47
C257
R253
∗
100k
R276
2SC3052EF-T1-LEF
1k
R280
16V
470
C263
470p
C275
R254
∗
50V
4.7
C278
15k
R279
4.7k
R268
470
R255
47p
C251
1000p
C264
10k
R261
470
R256
R251
∗
470
R292
50V
10
C260
47p
C252 2.2k
R281
R274
33k
2SC3052EF-T1-LEF
Q251
RT1P141C-TP-1
Q261
4.7k
R043
1/2W
22
R039
4.7
R046
2.2k
R050
4.7k
R035
2SC3052EF-T1-LEF
Q041
22
R048
KTA1271Y-AT
Q042
2SC3052EF-T1-LEF
Q045
22k
R054
16V
100
C033
50V
4.7
C034
2SC3052EF
-T1-LEF
Q044 1
2
3
3P
CN041
FAN+
FAN-
FAN+
4.7k
R036
220k
R049
10k
R042
JW001
10
R061
2.2
R047
2.2k
R055
KTA1266GR-AT
Q043
22k
R053
1k
R057
2.2k
R051
1k
R045
25V
47
C035
10EDB40-TB3
D021
10EDB40-TB3
D022
E
EP031
22k
R034
1k
R032
22k
R033
4.7k
R037
8p
C277
50V
10
C282
16V
47
100
R265
MA111-TX
D031
D2SB60A-F04
D001
1
2
34
0.1
C274
0.01
C273
120k
R285
100k
R277
MC2837
D008
1
2
3
3P
CN002
USB-MONI
AC3-UNREG
GND
+
-
NJM4558V-TE2
IC251(1/3)
3
2
1
+
-
NJM4558V-TE2
IC251(2/3)
5
67
NJM4558V-TE2
IC251(3/3)
8
POWER
4
GND
+
-
IC252(1/3)
NJM4558V-TE2
3
2
1
+
-
IC252(2/3)
NJM4558V-TE2
5
6
7
IC252(3/3)
NJM4558V-TE2
8
POWER
4
GND
1
3
4
CN271
4P
SW-SIG IN
SW-SIG GND
SW ON/OFF
MC2836
D036
MC2838-T112-1
D037
MC2838-T112-1
D009
JW002
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN031
GND(AC-3-RELAY)
NC
STK_MUTE
POWER-GND
UNREG 16V
IN-L
AMP-A-GND
IN-R
PROTECT
RELAY_B+
HP R-OUT
HP-GND
HP L-OUT
2SC3052EF-T1-LEF
47k
R289
R290
47k
16V
100
C289
S
2SK2158-T2B
Q046
P-RELAY
PROTECT
FSP-RELAY
R-OUT
SW-ON
ACP
SYS-M
STK-M
PROTECT
U-MONI
24
19
14
25
20
15
10
21
16
11
22
17
12
23
18
13
35
37
36
38
9
MAIN BOARD (4/4)
+3.3V REGULATOR
IC006
+9V REGULATOR
IC011
+9V REGULATOR
IC021
BUFFER
IC251
A
191012
J
H
B
1311
L
C
78
I
14
F
96
K
41815 163
G
D
5 17
E
12
SUB WOOFER
SWITCH
MUTING
IC252
LINE AMP
∗ R279
18k(GT44)
15k(GT55)
MUTING CONTROL SWITCH
(GT44/GT55)
MUTING
MUTING
∗ R254
10k(GT22/GT55)
4.7k(GT44)
5.6k(GT22)
∗ R252
2.7k(GT44)
4.7k(GT55)
∗ R253
10k(GT22/GT55)
4.7k(GT44)
∗ R251
5.6k(GT22)
2.7k(GT44)
4.7k(GT55)
PROTECT DETECT
Q043-045
FAN MOTOR DRIVE
B+ SWITCH
Q041,042
FAN MOTOR DETECT
(GT22/GT55)
(GT44)
(GT22/GT55)
(GT44)
(CHASSIS)
+
M001
-
(FAN)
M
C283
M
N
11EQS04-TB5
D005
50V
10
C031
0.1
C030 0.1
C029
VCC
GND
OUT
BA50BC0T
IC007
1
3
2
50V
C032
10
4.7k
R008
4.7k
R009
GND
USB-MONI
AC3-UNREG
5V REG BOARD
+5V REGULATOR
IC007
1
3
~
~
VBUS-GND
VBUS-5V
FAN+
(Page
40)
(Page
39)
(Page
38)
(Page
39)
(Page
38)
(Page
33)
(Page
49)
(Page 45)
(Page 47)
(Page 55)
(Page 57)

HCD-GT22/GT44/GT55
4343
HCD-GT22/GT44/GT55
7-19. SCHEMATIC DIAGRAM – MIC Board –
CN903
USB
E
BOARD
K
MAIN
BOARD
(2/4)
CN061
0
0.6
4.6
4.5
4.6
4.5
4.5
4.5
9
4.7k
R802
E
ET801
100k
R803
100k
R804
10k
R805
10k
R806
100k
R807
1k
R808
47k
R809 100
R811
100k
R817
100
R816 0.1
C801
220p
C807
470p
C809
2SC3052EF-T1-LEF
Q801
16V
10
C802
16V
10
C808
50V
0.1
C810
16V
10
C814
1000p
C803
1000p
C806
16V
100
C811 0.1
C817
50V
2.2
C816
220k
R815
220p
C815
47p
C812
10k
R814
50V
2.2
C813
4.7k
R812
4.7k
R813
220k
R810
18k
R842
C821
0.1
C822
0.1
1000p
C823
1000p
C824
470k
R823
470k
R824
1k
R822
1k
R821
EET802
+
-
NJM4558V-TE2
IC801
3
2
1
+
-
NJM4558V-TE2
IC801
5
6
7
IC801
8
POWER
4
GND
18k
R845
10k
R846
10k
R843
47k
R844
100k
R841
1k
R831
1k
R832
10V
220
C827
10
C828
L
R
J802
J803
4P
CN803
1234
50k
RV801
1
2
3
4
5
5P
CN802
VBUS
D-
D+
GND
SHIELD
J801
0.022
C805
0.022
C804
SLR-342VC3F
D801
E
ET803
AUX-IN-LCH
HP_R-OUT
AUX-IN-RCH
MIC-SIG
O-MIC-DET
A-GND
MIC+9V
LED+9V
USB-LED-OUT
HP-GND
HP-GND
HP_L-OUT
D-GND
MIC BOARD
A
1012
H
B
C
78
F
9643
G
D
5
E
(CHASSIS)
1
13
(CHASSIS)
MIC AMP
IC801
MIC
LEVEL
MUTING
AUDIO
PHONES
MIC
(USB)
REC
(USB)
(Page 33)
(Page 39)

HCD-GT22/GT44/GT55
4545
HCD-GT22/GT44/GT55
7-21. SCHEMATIC DIAGRAM – AMP Board (GT22/GT55) – •See page 58 for IC Block Diagrams.
M1
(4/4)
BOARD
MAIN
Q1
CN502
BOARD
SUB WOOFER
P1
CN903
BOARD
TRANS
IC B/D
CN031
0
15.4
0
15.4
15.2
0
0.2
15.5
0
0.7
0.2
0.8
0.8
1.8
0
0
1.9
0
15.5
2.6
3.2
30.5
15
0
0
0
0
15
0 0
1.8
0 0
57.2
0 0 0 0
58.8
-58.8
30
-30
13.8
-13.8
-57
100V
0.1
C403
100V0.1C404
2SC3052EF-T1-LEF
Q481
2SC3052EF-T1-LEF
Q482
2SC3052EF-T1-LEF
Q483
2SC3052EF-T1-LEF
Q484
2SC3052EF-T1-LEF
Q486
2SC3052EF-T1-LEF
Q487
50V
47
C447
50V
47
C448
100V
47
C461
100V
47
C462
50V
2.2
C486
50V
10
C441
50V
10
C442
10V
100
C481
100p
C445
100p
C446
1000p
C443
1000p
C444
47k
R443
47k
R444
47k
R447
47k
R448
47k
R465
47k
R487
33k
R491
33k
R492
4.7k
R481
22k
R457
22k
R458
22k
R488
330
R483
2.2k
R441
2.2k
R442
R479
3.3k
10k
R482
100k
R401
100kR402
100kR403
100k
R404
100kR405
100k
R406
100k
R409
100k
R410
100k
R459
100k
R460
100k
R466
R480
33k
47k
R484
47k
R485
100k
R486
R497
120k
100
R407
100
R417
100
R418
100
R419
10
R411
10
R412
10
R413
10
R414
10
R415
10
R416
10
R420
10
R421 10
R422
10
R423
10
R424
10
R425
10
R453
10
R454
10
R461
10
R462
1k
R445
1k
R446
1k
R455
1k
R456
1k
R499
1W
2.2k
R467
1W
2.2k
R468
TH441
5W
0.22
R449
5W0.22R450
0.1
C413
0.1C414
0.1
C451
0.1
C452
0.1
C453
0.1
C454
2SC5625
Q441
2SC5625
Q442
1k
R498
33k
R469
1k
R470
35V
22
C463
E
EP401
UDZW-TE17-16B
D445
UDZW-TE17-16B
D446
1.7uH
L441
1.7uH
L442
RY441
-1
-2
1
3
4
5
6
7
CN443
7P
+VCC
GND
-VCC
PROTECT
RELAY+
RELAY-
C411
1000p
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN441
GND(AC-3_RELAY)
NC
STK_MUTE
POWER_GND
UNREG.16V
IN-L
AMP-A_GND
IN-R
PROTECT
RELAY_B+
HP R-OUT
HP-GND
HP L-OUT
1
3
4
5
6
CN442
6P
AC-VH
AC-VL
GND
AC-VL
AC-VH
JL405
JL407
JL408
JL411
JL413
JL415
JL416
JL418
JL419
JL420
JL421
JL422
JL438
JL439
30PRA20FC
D448
30PRA20FC
D447
MC2836
D441
2SC3052EF-T1-LEF
Q489
2SC3052EF-T1-LEF
Q480
2.2k
R489
2.2k
R490
15k
R440
2SC3052EF-T1-LEF
Q488
ISA1235AC1TP-1EF
Q485
D10XB20
D401
D10XB20
D402
MA111-TX
D483
MA111-TX
D481
MA111-TX
D443
71V
2200
C405
71V
2200
C406
C409
C410
1
R495
100
R500
100
R496
16543211109871216151413 191817
STK415-130
IC441
+VL -VL +OFF_SET -OFF_SET -PRE -VH +VH OUT_CH1+ OUT_CH1- OUT_CH2+ OUT_CH2- +PRE SUB GND IN_CH1 NF_CH1 STBY NF_CH2 IN_CH2
AMP BOARD IC441
POWER AMP
A
1012
J
H
B
1311
L
C
78
I
14
F
96
K
4 15 163
G
D
5 17
E
12
(GT55)
(GT55)
(GT55)
PROTECT
DETECT
Q483,484
TEMPERATURE DETECT
DC DETECT
Q481,482
PROTECT
STANDBY SWITCH
OVER LOAD DETECT
OVER LOAD DETECT
-JK441
SPEAKER
L
+
+
R
-
(CHASSIS)
∗409,410
2200 50V(GT22)
3300 50V(GT55)
RELAY DRIVE
Q480,Q486,488
∗
∗
~
~
~
~
(Page 49)
(Page
41)
(Page
55)

HCD-GT22/GT44/GT55
4747
HCD-GT22/GT44/GT55
7-23. SCHEMATIC DIAGRAM – AMP Board (GT44) – •See page 58 for IC Block Diagrams.
M2
BOARD
(4/4)
MAIN
CN031
TRANS
CN903
BOARD
P2
SUB WOOFER
CN502
BOARD
Q2
IC B/D
-50.4
-51
51
0 0 0 0
49.8
0 0
0.6
0 0
0
15.6
0.7
15.6
0
0
15.5
0
0.2
0.2
1.8
15.6
15.6
0
0
0
15.4
1.9
0
15.40
31.6 2.6
3.2
0
0
0.8
0.8
100V
0.1
C403
100V
0.1
C404
2SC3052EF-
T1-LEF
Q481
2SC3052EF
-T1-LEF
Q482
2SC3052EF
-T1-LEF
Q483
2SC3052EF
-T1-LEF
Q484
2SC3052EF-T1-LEF
Q486
2SC3052EF-T1-LEF
Q487
50V
47
C447
50V
47
C448
50V
2.2
C486
50V
10
C441 50V
10
C442
10V
100
C481
100p
C445
100p
C446
1000p
C443
1000p
C444
47k
R443 47k
R444
47k
R447
47k
R448
47k
R465
47k
R487
4.7k
R481
22k
R457
22k
R458
22k
R488
330
R483
2.2k
R441
2.2k
R442
R491
10k
10k
R482
100k
R401
100k
R402
100k
R403
100k
R404
47k
R459
47k
R460
100kR466
R480
33k
47k
R484
47k
R485
100k
R486
R497
120k
100
R407
100
R417 100
R418
100
R419
10
R467
10
R415
10
R413
10
R414
10
R412
10R416
10
R420
10
R421
10
R422
10
R423
10
R424
10
R425
10
R453
10
R454
10
R461
10
R462
1k
R445
1k
R446
1k
R455
1k
R456
1k
R499
TH441
5W
0.22
R451
5W
0.22
R452
0.1
C451 0.1
C452
0.1
C453
0.1
C454
2SC5625
Q441
2SC5625
Q442
1k
R498
R493
47k
R492
1k
C488
22
35V
EEP401
1.7uH
L441
1.7uH
L442
RY441
-1
-2
1
3
4
5
6
7
CN443
7P
+VCC
GND
-VCC
PROTECT
RELAY+
RELAY-
C411
1000p
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN441
GND(AC-3_RELAY)
VFL
STK_MUTE
POWER_GND
UNREG.16V
IN-L
AMP-A_GND
IN-R
PROTECT
RELAY_B+
HP R-OUT
HP-GND
HP L-OUT
198765432151413121110
STK403-130-E
IC441
-PRE -Vcc +Vcc CH1_OUT+ CH1_OUT- CH2_OUT+ CH2_OUT- +PRE SUB GND CH1-IN CH1-NF ST-BY CH2-NF CH2-IN
1
3
4
CN442
4P
AC
GND
AC
63V
47
C489
63V
100
C490
JL401 JL403
JL405
JL411
JL413
JL426
JL427
JL429
MC2836
D441
22k
R426
47k
R427
2SC3052EF-T1-LEF
Q489
2SC3052EF-T1-LEF
Q480
2SC3052EF-T1-LEF
Q488
2.2k
R490
2.2k
R489
15k
R440
ISA1235AC1TP-1EF
Q485
D10XB20
D401
MA111-TX
D483
MA111-TX
D481
MA111-TX
D443
2200
63V
C405
2200
63V
C406
1
R495
100
R496
1/2W
47R449
AMP BOARD IC441
POWER AMP
(CHASSIS)
R
+
SPEAKER
-
-
+
L
JK441
Q483,484
TEMPERATURE
DETECT
Q481,482
DC DETECT
OVER LOAD
DETECT
DETECT
OVER LOAD
PROTECTOR
PROTECT DETECT
RELAY DRIVE
Q480,486,488
A
1012
J
H
B
1311
C
78
I
14
F
96
K
4 15 163
G
D
5
E
12
STANDBY SWITCH
OVER LOAD DETECT
~
~
(Page 41)
(Page 57)
(Page 49)

HCD-GT22/GT44/GT55
4949
HCD-GT22/GT44/GT55
7-25. SCHEMATIC DIAGRAM – SUBWOOFER Section (GT44/GT55) – •See page 58 for IC Block Diagrams.
(4/4)
BOARD
L
MAIN
CN443
BOARD
Q1
AMP
AMP
Q2
BOARD
CN443
IC B/D
CN271
10.7
11.5
11.5
0
0
15.4
15.5
0
15.7
0
15.7
0
12.4
0.2
0
0.2 0.1 0.1
-50.8
12.3
1
-1
-51.4
51.3
0 0 0
10
R512
10
R525
10
R526
10
R527
100
R516
100
R521
100
R522
100
R523
1k
R503 1k
R513
2.2k
R529
4.7k
R531
10k
R517
10k
R518
22k
R514
22kR530
22k
R533
22k
R532
47k
R501
47k
R502
47k
R504
47k
R515
47k
R524
100k
R520
10p
C505
220p
C502
4700p
C503
100V
10
C510
100V
10
C511
100V
100
C509
50V
47
C507
50V
10
C516
50V
10
C517
35V
100
C514
25V
100
C506
25V
22
C504
2SC3052EF-T1-LEF
Q503
2SC3052EF-T1-LEF
Q505
2SC3052EF-T1-LEF
Q507
76543211312111098
STK404-130S
IC501
POSI POSI SW-IN SW-NF SUB -PRE +PRE BIAS+ BIAS- -VCC +VCC -RE +RE
1W4.7k
R507
1W
4.7k
R508
2W
4.7k
R505
2SC5625
Q501
2SC3052EF-T1-LEF
Q506
1
R534
1
2
3
4
4P
CN503
SW-OUT
SW-OUT
SW-SP_GND
SW-SP_GND
ISA1235AC1TP-1EF
Q502
MA111-TX
D507
MA111-TX
D502
MA111-TX
D503
MA111-TX
D504
RY501
-1 -2
UDZW-TE17-12B
D501
0.1
C513
0.1
C512
1
2
3
3P
CN501
SW-SIG_IN
SW-SIG_GND
SW-ON/OFF
1
2
3
4
5
6
6P
CN502
+VCC
GND
-VCC
PROTECT
RELAY+
RELAY-
5W
0.22
R511
5W
0.22
R510
JW521
0
JR501
1
R506
100
R509
SUB WOOFER BOARD IC501
POWER AMP
A
1012
H
B
11
C
78
F
9643
G
D
5
E
12
OVER LOAD
DETECT
RELAY DRIVE
TEMPERATURE DETECT
TEMPERATURE DETECTDC DETECT
Q505,506
(GT44)
(GT55)
13
SUB WOOFER
OUT
SW-SP BOARD
1
SW-OUT
SW-OUT
SW-SP_GND
SW-SP_GND
4
-
+JK501
14 15
(Page 41)
(Page 45)
(Page 47)

HCD-GT22/GT44/GT55
5151
HCD-GT22/GT44/GT55
7-27. SCHEMATIC DIAGRAM – PANEL Section – •See page 36 forWaveforms. •See page 58 for IC Block Diagrams.
R
BOARD
KEY RIGHT
S
BOARD
KEY LEFT
H
(1/4)
BOARD
MAIN
CN901
IC B/D
41
CN615
3.3
3.3
-24
-24
-25.5
-23.7
-20
-23.7
-25.5
-16.3
-21.8
-23.7
-23.8
-23.8
-26
3.3
1.7
1.7
3
2.7
2.6
3.2
-24 -24 -24 -24 -24 -24 -24 -24 -24 -24 -24 -24
-23.7 -16.4 -21.8 -25.5 -23.7 -18.2 -16.4 -20 -20 -16.4 -18.2 -25.5
0
7.6
0
7.6
0.7
0.10.1
0.7
0.1
0.7
0.1
0.7
7.6
0
-24.3 3.3
-23.9 3.3
-24.3
-23.9 3.3-24.3 -23.9 3.3-24.3 -23.9 3.3-24.3 -23.9 3.3-24.3 -23.9 3.3-24.3 -23.9 3.3-24.3 -23.9 3.3-24.3 -23.9 3.3-24.3 -23.9 3.3-24.3 -23.9 3.3-24.3 -23.9
-24.3
-24.3
12345678910111213
15
16
17
18
19
20
21
22
23
24
25
26
2930313233343536373839
43
44
45
46
47
48
49
50
51
52 14
28
41
42
40
27
NJU3427FA2
IC701
NC DR0(T0) DR1(T1) DR2(T2) DR3(T3) DR4(T4) DR5(T5) DR6(T6) DR7(T7) DR8(T8) DR9(T9) DR10 (T10) DR11 (T11)
DR12(T12)
DR13(T13)
DR14(T14)
DR15(T15)
DR16(S19)
DR17(S18)
DR18(S17)
DR19(S16)
DR20(S15)
DR21(S14)
DR22
(S13)
DR23
(S12)
DR24(S11)
DR26(S9) DR27(S8) DR28(S7) DR29(S6) DR30(S5) DR31(S4) DR32(S3) DR33(S2) DR34(S1) DR35(S0)
NC
VFDP
NC
VSS
XT
XTb
NC
SCK
SI
NC
CSb
RSTb NC
DR25(S10)
NC
VDD
∗
∗
∗
∗
∗
∗
2SC3052EF-T1-LEF
Q601
2SC3052EF-T1-LEF
Q602
2SC3052EF-T1-LEF
Q603
2SC3052EF-T1-LEF
Q604
2SC3052EF-T1-LEF
Q605
2SC3052EF-T1-LEF
Q606
4.7k
R705
100
R704
100
R703
100R702
100
R701
1000p
C704
1000p
C703
1000p
C702
C701 1000p
100p
C705
10V
47
C707
0.1
C706
50V
2.2
C731
50V
2.2
C732
47k
R711
47k
R712
1.5kR713
1.5k
R714
10k
R681 10k
R682
10k
R683
10k
R684
10k
R685
10k
R686
1k
R661
1k
R671
1k
R662
1k
R672
1k
R663
1k
R673
1k
R664
1k
R674
1kR665
1kR675
1k
R666
1kR676
S611
S612
S613 S614
S615
S616
330
R611 470
R612
680
R613
1k
R614
1.5k
R615
S601 330
R601
2SC3052EF-T1-LEF
Q607
10k
R687
22
R715
22
R716
50V
22
C709
2SC3052EF-T1-LEF
Q701
47k
R721
47k
R722
47k
R723
47k
R724 47k
R725
47k
R726
47k
R727
47k
R728
47k
R729
47k
R730
47k
R731 47k
R732
2SC3052EF-T1-LEF
Q702
2SC3052EF-T1-LEF
Q703
2SC3052EF-T1-LEF
Q704
2SC3052EF-T1-LEF
Q705
2SC3052EF-T1-LEF
Q706
2SC3052EF-T1-LEF
Q707
2SC3052EF-T1-LEF
Q708
2SC3052EF-T1-LEF
Q709
2SC3052EF-T1-LEF
Q710
2SC3052EF-T1-LEF
Q711
2SC3052EF-T1-LEF
Q712
47k
R734
47k
R733
2SC3052EF-T1-LEF
Q713
2SC3052EF-T1-LEF
Q714
47k
R741
47k
R742
47k
R743
47k
R744
47k
R745
47k
R746
47k
R747
47k
R748
47k
R749
47k
R750
47k
R751
47k
R752
47k
R753
47k
R754
S626 S625
S622
S621 S623
S624
S627
2.2k
R626
17891011 1256 14 19181713 16 2015 23 2421 22 42 44434037 3938 41 46 484745 5349 50 542
FL701
1k
R624
680
R623
470
R622
330
R621
1.5k
R625
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
27P
CN601
LED-GND
LED+9V
VFD-CLK
VFD-DATA
SIRCS
STBY-LED
SW-LED
STREAM6
STREAM5
STREAM4
STREAM3
STREAM2
STREAM1
VFD-RESET
VFD-CS
VOL
JOG
KEY3
KEY2
KEY1
KEY0
VDD+3.3V
VREF
D-GND
-VFL
VF
VF
3.3kR755
3.3k
R756
3.3kR757
3.3kR758
0.1
C708
1
2
3
CN605
D-GND
KEY3
KEY
P20
P19
P18
P17
P16
P15
P14
P1 P2 P3 P4 P5 P6 P7 P8 P9
P10 P11 P12
P11 P12 P14 P17 P18 P19 P20
ST1
CLK
DATA
CS
RESET
STBY
SIRCS
JOG
VOL
RESET
ST1
ST2
ST3
ST4
ST5
ST6
SW-LED
STBY
SIRCS
CLK
1G 2G 3G 4G 5G 6G 7G 8G 9G 10G 11G 12G
P13
SW-LED-OUT
P16 P15 P13 P10 P9 P8 P7 P6 P5 P4 P3 P2 P1
8G 9G 10G 11G 12G 13G
DATA
CS
KEY3
14G
ST4 ST2 ST3 SW-LED ST6
VOL
13G
ST5
KEY0
LED+9V
1G 2G 3G 4G 5G
6G 7G
14G
D-GND
D-GND
AVREF
AVREF
KEY3
PANEL BOARD
FLUORESCENT
IC701
A
1012
J
H
B
1311
L
C
78
I
14
F
96
K
4 15 163
G
D
5
E
12
STBY-LED
SIRCS
INDICATOR TUBE DRIVER
Q701-714
GRID DRIVE
(STREME)
D601-604
1L434FV22DOTDF01(GT22/GT44)
∗ D601-606
1L434B22COCDT2(GT55)
LED DRIVE
Q601-607
ILLUMINATION ERASE PRESET
EG
GROOVE SURROUND EQ BAND
DISPLAY
ENTER RETURN
JOG
VOL 1
4
(GT44/GT55)
1
7
-+ TUNING+ TUNING-
FLUORESCENT INDICATOR TUBE
D601 D602 D603
D604
D605
D606
PLAY MODE/
TUNING MODE
(GT22/GT44)
(GT55)
1817
0.01
C651
0.01
C652
0.01
C653
0.01
C654
22k
R761 22k
R762
47k
R766
47k
R768
100k
R765
22k
R764
22k
R763
100k
R767
S652
1
2
3
S651
1
2
3
VOLUME BOARD
OPERATION
DIAL
VOLUME
MASTER
ROTARY ENCODER
1
4
VOL
JOG
D-GND
AVREF
ROTARY ENCODER
3P
19
JOG
(Page 53)
(Page
38)
(Page 53)

HCD-GT22/GT44/GT55
5353
HCD-GT22/GT44/GT55
7-29. SCHEMATIC DIAGRAM – KEY Section –
MAIN
G
BOARD
(1/4)
CN903
PANEL
S
BOARD
PANEL
R
BOARD
CN605
3.2 3.2
SLR-325VCT31P
D608
SLR-325VCT31P
D609
SLR-325VCT31P
D607
1k
R667
1k
R677
1k
R668
1k
R678
1k
R669
1k
R679
S641 S642 S643 S644 S645 S646 S647 S649
1.5k
R645
4.7k
R647
470
R642
1k
R644
2.2k
R646
330
R641
680
R643
10k
R648
1
2
3
4
5
6
6P
CN616
KEY4
D-GND
LED+9V
GUITER_LED_OUT
VOCAL_LED_OUT
BASS_LED_OUT
KEY TOP BOARD
-ENTER +FORCUS
(GUITAR)
GUITAR VOCAL
(VOCAL)
FORCUS FORCUS
(BASS)
BASS
GUITAR
VOCAL
BASS
S648
A
12
J
H
B
C
78
I
F
96
K
43
G
D
5
E
S607
S606
S605
S604
S603
S602
SLR-325VCT31P
D611
470
R655
470
R602
680
R603
1k
R604
1.5k
R605
2.2k
R606
1k
R688
1k
R698
S608
4.7k
R607
1k
R657
100
R656
SLR-325MCT31
0.22
C601
VCC OUT GND
NJL24H400B
IC601
132
SW-LED-OUT
STBY-LED
SIRCS
KEY0
D-GND
AVREF
LED+9V
KEY LEFT BOARD
IC601
REMOTE CONTROL
/
STANDBY
RECEIVER
1
7
(GT44/GT55)
SUBWOOFER
SUBWOOFER
USB
AUDIO
TAPE A/B
TUNNER/
BAND
CD
/
STANDBY
(GT44/GT55)
D612
S635
S636
S631
S632
S633
S628
S634
S637
S638
330
R631
470
R632
680
R633
4.7k
R637
2.2k
R636
4.7k
R627
1.5k
R635
1k
R634
1
2
3
CN615
3P
D-GND
KEY3
KEY
KEY RIGHT BOARD
DISC 1
DISC 2
DISC 3
OPEN/CLOSE
EX-CHANGE/
DISC SKIP
CD-TAPE
SYNC
CD-USB
SYNC/REC
TAPE-REC
PAUSE/START
(Page 38)
(Page 51)
(Page 51)

HCD-GT22/GT44/GT55
5555
HCD-GT22/GT44/GT55
7-31. SCHEMATIC DIAGRAM –TRANS Board (GT22/GT55) –
MAIN
N1
BOARD
CN001
AMP
P1
BOARD
CN442
(4/4)
-26.1 -36.7
-26.7
0.8
0.1
T6.3AL 250V
F904
T6.3AL 250V
F905
T8AL 250V
F908
T8AL 250V
F909
T3.15AL 250V
F906
T3.15AL 250V
F907
50V
10
C909
25V
1000
C911
22
R910
10k
R903
1k
R904
10EDB40-TB3
D902
10EDB40-TB3
D903
10EDB40-TB3
D904
10EDB40-TB3
D905
10EDB40-TB3
D908 1
3
3P
CN901
LIVE
NEUTRAL
0.1
C907
JW917
JW907
JW908
JW912
JW909
JW901
JW910
1
2
3
4
5
6
7
8
9
10
11
11P
CN907
AC-3F
AC-3
AC-4F
AC-4
VF
VF
D-GND
EVER_10
STBY-RELAY
AC-P
-VFL
63V
220
C908
50V
100
C910
UDZSTE-1730B
D906
RY901
2SB1238-PQR-TV2
Q902
4.7k
R915
2SC3052EF-T1-LEF
Q903
JW925
JL901
JL902
JL903
JL904
JL905
JL906
JL907
JL914
JL915
JL916
JL919
JL920
JL921
JL923
JL924
JL926
1
3
4
5
6
7
8
9
2
PT902
MC2838-T112-1
D910
1
2
3
4
5
5P
CN903
AC-VH
AC-VL
GND
AC-VL
AC-VH
5
2
16
17
12
14
13
18
1
15
6
10
11
4
7
3
8
9
19
MAIN POWER
PT901
FH915
FH917
FH909
FH916
FH918
FH908
FH911
FH912
FH914 FH913
FH907
FH910
MA111-TX
D901
47k
R913
12k
R914
22k
R912
50V
C914
3.3
0
R911
1
R908
TRANS BOARD
A
1012
B
1311
C
78
F
9643
D
5
E
12
JW904
JW903
JW905
JW906
(CHASSIS)
-27V REGULATOR
)
GT22:AR,AUS/
(GT55:AR
GT55:E2,E51,MX
(GT22:E2,E3,E13,E51,MX/ )
GT55:E2,E51 )
GT22:E2,E3,E13,E51/
(
GT55:AR )
GT22:AR/
(
SUB POWER
TRANSFORMER
GT55:AR
(GT22:AR,AUS/ )
(GT55:MX
GT22:MX)
VOLTAGE
SELECTOR
GT22:E2,E3,E13,E51/
(GT55:E2,E51 )
(GT22:MX,AR,AUS/
GT55:MX,AR )
(GT55:MX,AR )
GT22:MX,AR,AUS/
GT22:E2,E3,E13,E51/
(GT55:E2,E51 )
TRANSFORMER
(GT22:AUS)
POWER ON/OFF
RELAY DRIVE
(AC IN)
GT55:E2,E51,MX
(GT22:E2,E3,E13,E51,MX/ )
W901
∗
∗NOT REPRACEABLE:
BILT IN TRANSFORMER
230-240V
S901
220V 120V
JW902
tT
(Page 45)
(Page 41)

HCD-GT22/GT44/GT55
5757
HCD-GT22/GT44/GT55
7-33. SCHEMATIC DIAGRAM –TRANS Board (GT44) –
BOARD
(4/4)
MAIN
N2
BOARD
CN442
AMP
P2
CN001
-36.1-26.1
-26.7
0.1
0.8
T8AL 250V
F904
T8AL 250V
F909
T3.15AL 250V
F906
T3.15L 250V
F907
50V
10
C909
25V
1000
C911
22
R910
10k
R903
1k
R904
10EDB40-TB3
D902
10EDB40-TB3
D903
10EDB40-TB3
D904
10EDB40-TB3
D905
10EDB40-TB3
D908
1
3
3P
CN901
LIVE
NEUTRAL
0.1
C907
JW917
JW907
JW908
JW912
JW901
JW910
JW903
JW904
JW905
JW906
0
R911
1
2
3
4
5
6
7
8
9
10
11
11P
CN907
AC-3F
AC-3
AC-4F
AC-4
VF
VF
D-GND
EVER_10
STBY-RELAY
AC-P
-VFL
63V220
C908
50V
100
C910
UDZSTE-1730B
D906
RY901
2SB1238-PQR-TV2
Q902
4.7k
R915
2SC3052EF-T1-LEF
Q903
JW925
1
2
3
3P
CN903
AC
GND
AC
JL903
JL904
JL905
JL906
JL914
JL915
JL921
JL922
JL923
JL924
1
3
4
5
6
7
8
9
2
PT902
MC2838-T112-1
D910
S901
5
2
16
17
12
14
13
18 1
15
6
10
11
4
7
3
8
9
PT901
FH908
FH913
FH910
FH917
FH914
FH907
FH909
FH918
MA111-TX
D901
47k
R913
12k
R914
22k
R912
50V
C914
3.3
1
R908
VOLTAGE
SELECTOR
TRANS BOARD
(AC IN)
(E2,E3,E13,E51)
(MX,AR,AUS)
(MX,AR,AUS)
(E2,E3,E13,E51,MX)
(E2,E3,E13,E51)
(AR)
(AUS)
(E2,E3,E13,E51)
(E2,E3,E13,E51) (MX)
(AR,AUS)
(E2,E3,E13,E51,MX)
(AR,AUS)
POWER ON/OFF
RELAY DRIVE
-27V REGULATOR
W901
(CHASSIS)
SUB POWER
TRANSFORMER
MAIN POWER
TRANSFORMER
A
1012
B
11
C
78
F
9643
G
D
5
E
12
∗NOT REPLACEABLE:
BUILT IN TRANSFORMER
∗
120V220V230-240VTt
JW909
JW902
(Page 47)
(Page 41)